Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
developpements l » developpements de, developpement il, developpement la
typologie its » typologie des, typologie et, typologie cices
its variation » its variations, does variation, les variations
ddr verbal » des verbal, der verbalen
l afrique » en afrique
3 des » 3 der, 3 das, _ des
a des » a der, a das

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie its variation _ ddr verbal communication ((3 des) OR (a des)) developpements l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie its variation _ ddr verbal communication ((3 des) OR (a des)) developpements l afrique.*.